I entered that command in the terminal, and I received this reply: https://imgur.com/a/zH3hO
It seems that I haven’t enabled many things, and I don’t know how to enable them. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to firstname.lastname@example.org. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/06c28d76-2db4-434b-a2f0-cb63f13d1b0b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.